Comparative burden of arthropathy in mild haemophilia: a register-based study in Sweden Osooli M, Lövdahl S, Steen Carlsson K, Knobe K, Baghaei F, Holmström M, Astermark J and Berntorp E Haemophilia, 2017 Mar ;23(2): e79-e86 DOI: 10.1111/hae.13166